private static String dumpBinaryDataAsString(String indent, byte[] bytes) { String nl = System.getProperty("line.separator"); StringBuffer buf = new StringBuffer(); indent += TAB; buf.append(nl); for (int i = 0; i < bytes.length; i += SAMPLE_SIZE) { if (bytes.length - i > SAMPLE_SIZE) { buf.append(indent); buf.append(new String(Hex.encode(bytes, i, SAMPLE_SIZE))); buf.append(TAB); buf.append(calculateAscString(bytes, i, SAMPLE_SIZE)); buf.append(nl); } else { buf.append(indent); buf.append(new String(Hex.encode(bytes, i, bytes.length - i))); for (int j = bytes.length - i; j != SAMPLE_SIZE; j++) { buf.append(" "); } buf.append(TAB); buf.append(calculateAscString(bytes, i, bytes.length - i)); buf.append(nl); } } return buf.toString(); }
private static String outputApplicationSpecific( String type, String indent, boolean verbose, DERObject obj, String nl) { DERApplicationSpecific app = (DERApplicationSpecific) obj; StringBuffer buf = new StringBuffer(); if (app.isConstructed()) { try { ASN1Sequence s = ASN1Sequence.getInstance(app.getObject(DERTags.SEQUENCE)); buf.append(indent + type + " ApplicationSpecific[" + app.getApplicationTag() + "]" + nl); for (Enumeration e = s.getObjects(); e.hasMoreElements(); ) { _dumpAsString(indent + TAB, verbose, (DERObject) e.nextElement(), buf); } } catch (IOException e) { buf.append(e); } return buf.toString(); } return indent + type + " ApplicationSpecific[" + app.getApplicationTag() + "] (" + new String(Hex.encode(app.getContents())) + ")" + nl; }
/** * dump a DER object as a formatted string with indentation * * @param obj the DERObject to be dumped out. */ static void _dumpAsString(String indent, boolean verbose, DERObject obj, StringBuffer buf) { String nl = System.getProperty("line.separator"); if (obj instanceof ASN1Sequence) { Enumeration e = ((ASN1Sequence) obj).getObjects(); String tab = indent + TAB; buf.append(indent); if (obj instanceof BERSequence) { buf.append("BER Sequence"); } else if (obj instanceof DERSequence) { buf.append("DER Sequence"); } else { buf.append("Sequence"); } buf.append(nl); while (e.hasMoreElements()) { Object o = e.nextElement(); if (o == null || o.equals(new DERNull())) { buf.append(tab); buf.append("NULL"); buf.append(nl); } else if (o instanceof DERObject) { _dumpAsString(tab, verbose, (DERObject) o, buf); } else { _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf); } } } else if (obj instanceof DERTaggedObject) { String tab = indent + TAB; buf.append(indent); if (obj instanceof BERTaggedObject) { buf.append("BER Tagged ["); } else { buf.append("Tagged ["); } DERTaggedObject o = (DERTaggedObject) obj; buf.append(Integer.toString(o.getTagNo())); buf.append(']'); if (!o.isExplicit()) { buf.append(" IMPLICIT "); } buf.append(nl); if (o.isEmpty()) { buf.append(tab); buf.append("EMPTY"); buf.append(nl); } else { _dumpAsString(tab, verbose, o.getObject(), buf); } } else if (obj instanceof BERSet) { Enumeration e = ((ASN1Set) obj).getObjects(); String tab = indent + TAB; buf.append(indent); buf.append("BER Set"); buf.append(nl); while (e.hasMoreElements()) { Object o = e.nextElement(); if (o == null) { buf.append(tab); buf.append("NULL"); buf.append(nl); } else if (o instanceof DERObject) { _dumpAsString(tab, verbose, (DERObject) o, buf); } else { _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf); } } } else if (obj instanceof DERSet) { Enumeration e = ((ASN1Set) obj).getObjects(); String tab = indent + TAB; buf.append(indent); buf.append("DER Set"); buf.append(nl); while (e.hasMoreElements()) { Object o = e.nextElement(); if (o == null) { buf.append(tab); buf.append("NULL"); buf.append(nl); } else if (o instanceof DERObject) { _dumpAsString(tab, verbose, (DERObject) o, buf); } else { _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf); } } } else if (obj instanceof DERObjectIdentifier) { buf.append(indent + "ObjectIdentifier(" + ((DERObjectIdentifier) obj).getId() + ")" + nl); } else if (obj instanceof DERBoolean) { buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl); } else if (obj instanceof DERInteger) { buf.append(indent + "Integer(" + ((DERInteger) obj).getValue() + ")" + nl); } else if (obj instanceof BERConstructedOctetString) { ASN1OctetString oct = (ASN1OctetString) obj; buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] "); if (verbose) { buf.append(dumpBinaryDataAsString(indent, oct.getOctets())); } else { buf.append(nl); } } else if (obj instanceof DEROctetString) { ASN1OctetString oct = (ASN1OctetString) obj; buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] "); if (verbose) { buf.append(dumpBinaryDataAsString(indent, oct.getOctets())); } else { buf.append(nl); } } else if (obj instanceof DERBitString) { DERBitString bt = (DERBitString) obj; buf.append( indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] "); if (verbose) { buf.append(dumpBinaryDataAsString(indent, bt.getBytes())); } else { buf.append(nl); } } else if (obj instanceof DERIA5String) { buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl); } else if (obj instanceof DERUTF8String) { buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl); } else if (obj instanceof DERPrintableString) { buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl); } else if (obj instanceof DERVisibleString) { buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl); } else if (obj instanceof DERBMPString) { buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl); } else if (obj instanceof DERT61String) { buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl); } else if (obj instanceof DERUTCTime) { buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl); } else if (obj instanceof DERGeneralizedTime) { buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl); } else if (obj instanceof DERUnknownTag) { buf.append( indent + "Unknown " + Integer.toString(((DERUnknownTag) obj).getTag(), 16) + " " + new String(Hex.encode(((DERUnknownTag) obj).getData())) + nl); } else if (obj instanceof BERApplicationSpecific) { buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl)); } else if (obj instanceof DERApplicationSpecific) { buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl)); } else if (obj instanceof DEREnumerated) { DEREnumerated en = (DEREnumerated) obj; buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl); } else if (obj instanceof DERExternal) { DERExternal ext = (DERExternal) obj; buf.append(indent + "External " + nl); String tab = indent + TAB; if (ext.getDirectReference() != null) { buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl); } if (ext.getIndirectReference() != null) { buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl); } if (ext.getDataValueDescriptor() != null) { _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf); } buf.append(tab + "Encoding: " + ext.getEncoding() + nl); _dumpAsString(tab, verbose, ext.getExternalContent(), buf); } else { buf.append(indent + obj.toString() + nl); } }